Intersection Observer API All In One

Intersection Observer API / 交叉观察者 IntersectionObserver

https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API

Intersection Observer

实现图片延迟加载

https://c7sky.com/lazy-loading-images-using-intersection-observer.html

Intersection Observer

懒加载、吸顶、触底

https://juejin.im/post/5d665133e51d4561c83e7c83

css sticky

https://developer.mozilla.org/zh-CN/docs/Web/CSS/position

https://codepen.io/xgqfrms/pen/dyogwLB

refs

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